Home / 18,236.75-25,166.57-10,281.56

Finding the Fourth Proportional to 18,236.75, 25,166.57 and 10,281.56

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Solution

The fourth proportional to 18,236.75, 25,166.57 and 10,281.56 is: 14,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.75 : 25,166.57 = 10,281.56 : x
  2. Step 2: Convert to fraction form
    18,236.75/25,166.57 = 10,281.56/x
  3. Step 3: Cross multiply
    18,236.75x = 25,166.57 × 10,281.56
  4. Step 4: Simplify right side
    18,236.75x = 258,751,422.21
  5. Step 5: Solve for x
    x = 258,751,422.21/18,236.75
  6. Step 6: Final answer
    x = 14,188.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.